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Table 1 Patient characteristics of 219 patients and 316 lesions

From: Stereotactic body radiotherapy (SBRT) in patients with lung metastases - prognostic factors and long-term survival using patient self-reported outcome (PRO)

  n % Median (range)
Gender
 Female 90 41.1  
 Male 129 58.9  
Age at RT [years]    68 (6–91)
Primary tumor type
 NSLC 56 17.7  
 CRC 93 29.4  
 Melanoma 11 3.5  
 Breast Cancer 20 6.3  
 Others 136 43.0  
Number of pulmonary METs
  ≤ 3 203 64.2  
  > 3 113 35.8  
MET location
 Central 34 10.8  
 Upper lobe 130 41.1  
 Middle lobe 23 7.3  
 Lower lobe 129 40.8  
Laterality
 Right 169 53.5  
 Left 145 45.9  
 Bilateral 2 0.6  
Extra thoracic MET
 Yes 131 41.5  
 No 185 58.5  
KPS [%] at RT
 100 8 2.5  
 90 141 44.6  
 80 137 43.4  
 70 22 7.0  
 60 7 2.2  
 50 1 0.3  
Prior thorax RT
 Yes 87 27.5  
 No 229 72.5  
CHT between MET diagnosis and SBRT
 Yes 58 18.4  
 No 258 81.6  
Time primary diagnosis until MET diagnosis [months]    30.9 (0–265.9)
Time MET diagnosis until RT [months]    1.7 (0–127.3)
PTV [ml]    28.8 (2.0–517.0)
GTV [ml]    5.4 (0.1–217.6)
  1. NSCLC Non-small cell lung cancer, CRC Colorectal carcinoma, KPS Karnofsky performance score, RT Radiotherapy, CHT Chemotherapy, MET Metastasis, PTV Planning target volume, GTV Gross tumor volume